Hello,
I don't know if it's useful, but I can also reproduce this bug with :
rbd kernel 3.10.4
ceph osd 0.61.4
image format 2
rbd formatted in xfs, after some snapshots, and mount/umount test (no
write on the file system), xfs mount make segfault and kernel have same log.
Cheers,
Laurent Barbe
Le 05/08/2013 07:22, Olivier Bonvalet a écrit :
Yes of course, thanks !
Le dimanche 04 août 2013 à 20:59 -0700, Sage Weil a écrit :
Hi Olivier,
This looks like http://tracker.ceph.com/issues/5760. We should be able to
look at this more closely this week. In the meantime, you might want to
go back to 3.9.x. If we have a patch that addresses the bug, would you be
able to test it?
Thanks!
sage
On Mon, 5 Aug 2013, Olivier Bonvalet wrote:
Sorry, the "dev" list is probably a better place for that one.
Le lundi 05 ao?t 2013 ? 03:07 +0200, Olivier Bonvalet a ?crit :
Hi,
I've just upgraded a Xen Dom0 (Debian Wheezy with Xen 4.2.2) from Linux
3.9.11 to Linux 3.10.5, and now I have kernel panic after launching some
VM which use RBD kernel client.
In kernel logs, I have :
Aug 5 02:51:22 murmillia kernel: [ 289.205652] kernel BUG at
net/ceph/osd_client.c:2103!
Aug 5 02:51:22 murmillia kernel: [ 289.205725] invalid opcode: 0000 [#1] SMP
Aug 5 02:51:22 murmillia kernel: [ 289.205908] Modules linked in: cbc rbd
libceph libcrc32c xen_gntdev ip6table_mangle ip6t_REJECT ip6table_filter
ip6_tables xt_DSCP iptable_mangle xt_LOG xt_physdev ipt_REJECT xt_tcpudp
iptable_filter ip_tables x_tables bridge loop coretemp ghash_clmulni_intel
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt
iTCO_vendor_support gpio_ich microcode serio_raw sb_edac edac_core evdev
lpc_ich i2c_i801 mfd_core wmi ac ioatdma shpchp button dm_mod hid_generic
usbhid hid sg sd_mod crc_t10dif crc32c_intel isci megaraid_sas libsas ahci
libahci ehci_pci ehci_hcd libata scsi_transport_sas igb scsi_mod i2c_algo_bit
ixgbe usbcore i2c_core dca usb_common ptp pps_core mdio
Aug 5 02:51:22 murmillia kernel: [ 289.210499] CPU: 2 PID: 5326 Comm:
blkback.3.xvda Not tainted 3.10-dae-dom0 #1
Aug 5 02:51:22 murmillia kernel: [ 289.210617] Hardware name: Supermicro
X9DRW-7TPF+/X9DRW-7TPF+, BIOS 2.0a 03/11/2013
Aug 5 02:51:22 murmillia kernel: [ 289.210738] task: ffff880037d01040 ti:
ffff88003803a000 task.ti: ffff88003803a000
Aug 5 02:51:22 murmillia kernel: [ 289.210858] RIP: e030:[<ffffffffa02d21d0>]
[<ffffffffa02d21d0>] ceph_osdc_build_request+0x2bb/0x3c6 [libceph]
Aug 5 02:51:22 murmillia kernel: [ 289.211062] RSP: e02b:ffff88003803b9f8
EFLAGS: 00010212
Aug 5 02:51:22 murmillia kernel: [ 289.211154] RAX: ffff880033a181c0 RBX:
ffff880033a182ec RCX: 0000000000000000
Aug 5 02:51:22 murmillia kernel: [ 289.211251] RDX: ffff880033a182af RSI:
0000000000008050 RDI: ffff880030d34888
Aug 5 02:51:22 murmillia kernel: [ 289.211347] RBP: 0000000000002000 R08:
ffff88003803ba58 R09: 0000000000000000
Aug 5 02:51:22 murmillia kernel: [ 289.211444] R10: 0000000000000000 R11:
0000000000000000 R12: ffff880033ba3500
Aug 5 02:51:22 murmillia kernel: [ 289.211541] R13: 0000000000000001 R14:
ffff88003847aa78 R15: ffff88003847ab58
Aug 5 02:51:22 murmillia kernel: [ 289.211644] FS: 00007f775da8c700(0000)
GS:ffff88003f840000(0000) knlGS:0000000000000000
Aug 5 02:51:22 murmillia kernel: [ 289.211765] CS: e033 DS: 0000 ES: 0000
CR0: 0000000080050033
Aug 5 02:51:22 murmillia kernel: [ 289.211858] CR2: 00007fa21ee2c000 CR3:
000000002be14000 CR4: 0000000000042660
Aug 5 02:51:22 murmillia kernel: [ 289.211956] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Aug 5 02:51:22 murmillia kernel: [ 289.212052] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Aug 5 02:51:22 murmillia kernel: [ 289.212148] Stack:
Aug 5 02:51:22 murmillia kernel: [ 289.212232] 0000000000002000
000000243847aa78 0000000000000000 ffff880039949b40
Aug 5 02:51:22 murmillia kernel: [ 289.212577] 0000000000002201
ffff880033811d98 ffff88003803ba80 ffff88003847aa78
Aug 5 02:51:22 murmillia kernel: [ 289.212921] ffff880030f24380
ffff880002a38400 0000000000002000 ffffffffa029584c
Aug 5 02:51:22 murmillia kernel: [ 289.213264] Call Trace:
Aug 5 02:51:22 murmillia kernel: [ 289.213358] [<ffffffffa029584c>] ?
rbd_osd_req_format_write+0x71/0x7c [rbd]
Aug 5 02:51:22 murmillia kernel: [ 289.213459] [<ffffffffa0296f05>] ?
rbd_img_request_fill+0x695/0x736 [rbd]
Aug 5 02:51:22 murmillia kernel: [ 289.213562] [<ffffffff810c96a7>] ?
arch_local_irq_restore+0x7/0x8
Aug 5 02:51:22 murmillia kernel: [ 289.213667] [<ffffffff81357ff8>] ?
down_read+0x9/0x19
Aug 5 02:51:22 murmillia kernel: [ 289.213763] [<ffffffffa029828a>] ?
rbd_request_fn+0x191/0x22e [rbd]
Aug 5 02:51:22 murmillia kernel: [ 289.213864] [<ffffffff8117ac9e>] ?
__blk_run_queue_uncond+0x1e/0x26
Aug 5 02:51:22 murmillia kernel: [ 289.213962] [<ffffffff8117b7aa>] ?
blk_flush_plug_list+0x1c1/0x1e4
Aug 5 02:51:22 murmillia kernel: [ 289.214059] [<ffffffff8117baad>] ?
blk_finish_plug+0xb/0x2a
Aug 5 02:51:22 murmillia kernel: [ 289.214157] [<ffffffff81255c36>] ?
dispatch_rw_block_io+0x33e/0x3f0
Aug 5 02:51:22 murmillia kernel: [ 289.214259] [<ffffffff81054f4b>] ?
find_busiest_group+0x28/0x1d4
Aug 5 02:51:22 murmillia kernel: [ 289.214357] [<ffffffff810551b0>] ?
load_balance+0xb9/0x5e1
Aug 5 02:51:22 murmillia kernel: [ 289.214454] [<ffffffff8100122a>] ?
xen_hypercall_xen_version+0xa/0x20
Aug 5 02:51:22 murmillia kernel: [ 289.214552] [<ffffffff81255f40>] ?
__do_block_io_op+0x258/0x390
Aug 5 02:51:22 murmillia kernel: [ 289.214649] [<ffffffff810026fa>] ?
xen_end_context_switch+0xa/0x14
Aug 5 02:51:22 murmillia kernel: [ 289.214747] [<ffffffff8100718a>] ?
__switch_to+0x13e/0x3c0
Aug 5 02:51:22 murmillia kernel: [ 289.214843] [<ffffffff81256421>] ?
xen_blkif_schedule+0x30d/0x418
Aug 5 02:51:22 murmillia kernel: [ 289.214947] [<ffffffff8104871e>] ?
finish_wait+0x60/0x60
Aug 5 02:51:22 murmillia kernel: [ 289.215042] [<ffffffff81256114>] ?
xen_blkif_be_int+0x25/0x25
Aug 5 02:51:22 murmillia kernel: [ 289.215138] [<ffffffff81047e7c>] ?
kthread+0x7d/0x85
Aug 5 02:51:22 murmillia kernel: [ 289.215232] [<ffffffff81047dff>] ?
__kthread_parkme+0x59/0x59
Aug 5 02:51:22 murmillia kernel: [ 289.215332] [<ffffffff8135e1bc>] ?
ret_from_fork+0x7c/0xb0
Aug 5 02:51:22 murmillia kernel: [ 289.215427] [<ffffffff81047dff>] ?
__kthread_parkme+0x59/0x59
Aug 5 02:51:22 murmillia kernel: [ 289.215521] Code: c0 00 00 00 8b 4c 24 10 66 89
48 22 49 8b 86 c0 00 00 00 8b 14 24 89 50 1e 49 8b 44 24 48 48 89 c2 49 03 54 24 50
48 39 d3 76 02 <0f> 0b 48 29 c3 49 89 5c 24 50 41 89 5c 24 16 48 83 c4 28 5b 5d
Aug 5 02:51:22 murmillia kernel: [ 289.219309] RIP [<ffffffffa02d21d0>]
ceph_osdc_build_request+0x2bb/0x3c6 [libceph]
Aug 5 02:51:22 murmillia kernel: [ 289.219492] RSP <ffff88003803b9f8>
Aug 5 02:51:22 murmillia kernel: [ 289.219631] ---[ end trace
3154df728731ac05 ]---
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